- May 01, 2005
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- Apr 30, 2005
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* Reduced some SimpleTimer churn * add hooks for per-peer choking in the outbound message queue - if/when a peer reaches their cwin, no further messages will enter the 'active' pool until there are more bytes available. other messages waiting (either later on in the same priority queue, or in the queues for other priorities) may take that slot. * when we have a message acked, release the acked size to the congestion window (duh), rather than waiting for the second to expire and refill the capacity. * send packets in a volley explicitly, waiting until we can allocate the full cwin size for that message
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- Apr 28, 2005
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* More fixes for the I2PTunnel "other" interface handling (thanks nelgin!) * Add back the code to handle bids from multiple transports (though there is still only one transport enabled by default) * Adjust the router's queueing of outbound client messages when under heavy load by running the preparatory job in the client's I2CP handler thread, thereby blocking additional outbound messages when the router is hosed. * No need to validate or persist a netDb entry if we already have it And for some udp stuff: * only bid on what we know (duh) * reduceed the queue size in the UDPSender itself, so that ACKs go through more quickly, leaving the payload messages to queue up in the outbound fragment scheduler * rather than /= 2 on congestion, /= 2/3 (still AIMD, but less drastic) * adjust the fragment selector so a wsiz throttle won't force extra volleys * mark congestion when it occurs, not after the message has been ACKed * when doing a round robin over the active messages, move on to the next after a full volley, not after each packet (causing less "fair" performance but better latency) * reduced the lock contention in the inboundMessageFragments by moving the ack and complete queues to the ACKSender and MessageReceiver respectively (each of which have their own threads) * prefer new and existing UDP sessions to new TCP sessions, but prefer existing TCP sessions to new UDP sessions
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- Apr 26, 2005
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- Apr 24, 2005
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* Added a pool of PRNGs using a different synchronization technique, hopefully sufficient to work around IBM's PRNG bugs until we get our own Fortuna. * In the streaming lib, don't jack up the RTT on NACK, and have the window size bound the not-yet-ready messages to the peer, not the unacked message count (not sure yet whether this is worthwile). * Many additions to the messageHistory log. * Handle out of order tunnel fragment delivery (not an issue on the live net with TCP, but critical with UDP). and for udp stuff: * implemented tcp-esque rto code in the udp transport * make sure we don't ACK too many messages at once * transmit fragments in a simple (nonrandom) order so that we can more easily adjust timeouts/etc. * let the active outbound pool grow dynamically if there are outbound slots to spare * use a simple decaying bloom filter at the UDP level to drop duplicate resent packets.
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- Apr 23, 2005
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I removed those dumb platform specific makefiles. They weren't doing what they ought anyway. If there are platform specific issues, someone please tell me and I'll provide support for it here. Or patch it yourself. And this is the big "Fix the Parser" patch. It turns the sam_parse function in src/parse.c into something that actually works. Generating the argument list from an incoming SAM thingy is a bit memory churn-y; perhaps when I have time I'll replace all those strdups with structures that simply track the (start,end) indices. Oh and also I moved i2p-ping to the new system. Which required 0 change in code. All I did was fix the Makefile, and add shared library libtool support. Anyway, so enjoy folks. It's rare I'm this productive - polecat
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- Apr 21, 2005
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- Apr 20, 2005
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* In the SDK, we don't actually need to block when we're sending a message as BestEffort (and these days, we're always sending BestEffort). * Pass out client messages in fewer (larger) steps. * Have the InNetMessagePool short circuit dispatch requests. * Have the message validator take into account expiration to cut down on false positives at high transfer rates. * Allow configuration of the probabalistic window size growth rate in the streaming lib's slow start and congestion avoidance phases, and default them to a more conservative value (2), rather than the previous value (1). * Reduce the ack delay in the streaming lib to 500ms * Honor choke requests in the streaming lib (only affects those getting insanely high transfer rates) * Let the user specify an interface besides 127.0.0.1 or 0.0.0.0 on the I2PTunnel client page (thanks maestro^!) (plus minor udp tweaks) -
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- Apr 18, 2005
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* Added the possibility for i2ptunnel client and httpclient instances to have their own i2p session (and hence, destination and tunnels). By default, tunnels are shared, but that can be changed on the web interface or with the sharedClient config option in i2ptunnel.config. 2005-04-17 jrandom * Marked the net.i2p.i2ptunnel.TunnelManager as deprecated. Anyone use this? If not, I want to drop it (lots of tiny details with lots of duplicated semantics).
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- Apr 17, 2005
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* Added new user-editable eepproxy error page templates. 2005-04-17 jrandom * Revamp the tunnel building throttles, fixing a situation where the rebuild may not recover, and defaulting it to unthrottled (users with slow CPUs may want to set "router.tunnel.shouldThrottle=true" in their advanced router config) -
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- Apr 12, 2005
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- Apr 08, 2005
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* Security improvements to TrustedUpdate: signing and verification of the version string along with the data payload for signed update files (consequently the positions of the DSA signature and version string fields have been swapped in the spec for the update file's header); router will no longer perform a trusted update if the signed update's version is lower than or equal to the currently running router's version. * Added two new CLI commands to TrustedUpdate: showversion, verifyupdate. * Extended TrustedUpdate public API for use by third party applications.
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- Apr 05, 2005
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* After a successfull netDb search for a leaseSet, republish it to all of the peers we have tried so far who did not give us the key (up to 10), rather than the old K closest (which may include peers who had given us the key) * Don't wait 5 minutes to publish a leaseSet (duh!), and rather than republish it every 5 minutes, republish it every 3. In addition, always republish as soon as the leaseSet changes (duh^2). * Minor fix for oddball startup race (thanks travis_bickle!) * Minor AES update to allow in-place decryption.
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- Apr 01, 2005
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- Mar 30, 2005
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2005-03-29 jrandom * Decreased the initial RTT estimate to 10s to allow more retries. * Increased the default netDb store replication factor from 2 to 6 to take into consideration tunnel failures. * Address some statistical anonymity attacks against the netDb that could be mounted by an active internal adversary by only answering lookups for leaseSets we received through an unsolicited store. * Don't throttle lookup responses (we throttle enough elsewhere) * Fix the NewsFetcher so that it doesn't incorrectly resume midway through the file (thanks nickster!) * Updated the I2PTunnel HTML (thanks postman!) * Added support to the I2PTunnel pages for the URL parameter "passphrase", which, if matched against the router.config "i2ptunnel.passphrase" value, skips the nonce check. If the config prop doesn't exist or is blank, no passphrase is accepted. * Implemented HMAC-SHA256. * Enable the tunnel batching with a 500ms delay by default * Dropped compatability with 0.5.0.3 and earlier releases
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- Mar 26, 2005
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- Mar 25, 2005
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- Mar 24, 2005
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* Implemented the news fetch / update policy code, as configurated on /configupdate.jsp. Defaults are to grab the news every 24h (or if it doesn't exist yet, on startup). No action is taken however, though if the news.xml specifies that a new release is available, an option to update will be shown on the router console. * New initialNews.xml delivered with new installs, and moved news.xml out of the i2pwww module and into the i2p module so that we can bundle it within each update.
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- Mar 23, 2005
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* New /configupdate.jsp page for controlling the update / notification process, as well as various minor related updates. Note that not all options are exposed yet, and the update detection code isn't in place in this commit - it currently says there is always an update available. * New EepGet component for reliable downloading, with a CLI exposed in java -cp lib/i2p.jar net.i2p.util.EepGet url * Added a default signing key to the TrustedUpdate component to be used for verifying updates. This signing key can be authenticated via gpg --verify i2p/core/java/src/net/i2p/crypto/TrustedUpdate.java * New public domain SHA1 implementation for the DSA code so that we can handle signing streams of arbitrary size without excess memory usage (thanks P.Verdy!) * Added some helpers to the TrustedUpdate to work off streams and to offer a minimal CLI: TrustedUpdate keygen pubKeyFile privKeyFile TrustedUpdate sign origFile signedFile privKeyFile TrustedUpdate verify signedFile
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- Mar 22, 2005
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